Altimmune, Inc. (ALT) stock
Close on Nov 12, 2026Market cap $313.17MP/E –Yield –
Altimmune statistics
73 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- Q3 FY2026, expected soon
- Last ex-dividend date
- Feb 6, 2017
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 12, 2026
Valuation ratiosIndustry
- P/TBV Ratio
- 0.71
- 2.29
Share statisticsIndustry
- Shares Change (YoY)
- 95.5%
- 10.9%
- Shares Change (QoQ)
- 0.03%
- 0.48%
- Float
- 194M
- 49M
- Shares Held by Insiders
- 0.51%
- 12.1%
- Shares Held by Institutions
- 77.9%
- 56.4%
Short sellingIndustry
- Short Interest
- 42M
- –
- Short Interest Change
- -0.24%
- -0.76%
- Short % of Float
- 21.8%
- 9.06%
- Short % of Shares Outstanding
- 21.7%
- 6.30%
- Days to Cover
- 12.16
- 5.13
Stock price statisticsIndustry
- 52-Week High
- $6.44
- –
- 52-Week Low
- $1.60
- –
- 20-Day Moving Average
- $2.07
- –
- 50-Day Moving Average
- $2.62
- –
- 200-Day Moving Average
- $3.15
- –
- Average True Range (14)
- $0.15
- –
- Price Change (1 Week)
- -18.3%
- 1.51%
- Price Change (1 Month)
- -30.3%
- -2.37%
- Price Change (3 Months)
- -45.2%
- -21.1%
- Price Change (6 Months)
- -44.9%
- -22.8%
- Price Change (YTD)
- -55.4%
- -22.6%
- Price Change (1 Year)
- -62.4%
- -21.0%
- Price Change (3 Years)
- -34.0%
- -24.8%
- Price Change (5 Years)
- -85.5%
- -76.9%
- Price Change (10 Years)
- -99.8%
- -63.2%
- Average Volume (10 Days)
- 4M
- –
- Average Volume (20 Days)
- 4M
- –
- Average Volume (90 Days)
- 4M
- –
- Relative Volume
- 3.12
- 0.80
- Relative Strength Index (14)
- 24.2
- 44.7
- Volatility (1 Year)
- 71.7%
- 80.2%
- Beta (5 Years)
- 1.07
- 1.07
Returns on capitalIndustry
- Return on Equity (ROE)
- -33.2%
- -51.3%
- Return on Assets (ROA)
- -29.2%
- -40.7%
- Return on Invested Capital (ROIC)
- -89.7%
- -32.9%
- Return on Capital Employed (ROCE)
- -23.8%
- -38.1%
Financial positionIndustry
- Current Ratio
- 23.93
- 3.31
- Quick Ratio
- 23.00
- 2.41
- Debt / Equity
- 0.08
- 0.50
- Interest Coverage
- -27.65
- -6.35
GrowthIndustry
- Revenue Growth (5Y CAGR)
- -65.3%
- 6.41%
EfficiencyIndustry
- Profits Per Employee
- -$8.03M
- -$683.67K
- Employee Count
- 13
- 75
- WACC
- 10.2%
- 10.0%
Income statement (TTM)Industry
- Pretax Income
- -$104.35M
- -$13.23M
Balance sheetIndustry
- Net Cash (Debt)
- $230.07M
- $16.98M
- Net Cash Per Share
- $1.18
- $0.72
- Equity (Book Value)
- $443.57M
- $52.68M
- Book Value Per Share
- $2.28
- $1.50
- Tangible Book Value
- $443.57M
- $26.74M
- Working Capital
- $264.24M
- $78.52M
Cash flow (TTM)Industry
- Capital Expenditures
- -$118.00K
- -$944.00K
- FCF Per Share
- -$0.53
- -$0.42
Dividends and yieldsIndustry
- Earnings Yield
- -33.3%
- -21.0%
- FCF Yield
- -32.7%
- -9.44%
- Buyback Yield
- -22.5%
- -0.73%
- Shareholder Yield
- -22.5%
- 0.00%
Taxes and interestIndustry
- Interest Expense
- $4.16M
- $2.97M
Scores and fair valueIndustry
- Altman Z-Score
- 1.43
- 0.26
- Piotroski F-Score
- 4
- 4
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | ALT | S&P 500 | Difference | ALT per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -37.1% | -2.7% | −34.4 pts | ||
| 3 months | -45.1% | -1.7% | −43.3 pts | ||
| Year to date | -55.4% | +11.9% | −67.3 pts | ||
| 1 year | -61.9% | +12.0% | −73.9 pts | ||
| 3 years | -35.6% | +78.2% | −113.8 pts | -13.6% | +21.2% |
| 5 years | -85.5% | +73.2% | −158.7 pts | -32.0% | +11.6% |
| 10 years | -99.9% | +309.6% | −409.5 pts | -49.4% | +15.1% |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
42M ALT shares were sold short on Oct 30, 2026, down 0.2% from the previous report, or 21.77% of the shares available to trade. At recent volumes it would take 12.2 days to buy them back. Over the last 20 sessions, 52.5% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 42,131,170 | -0.2% | 3,464,215 | 12.2 |
| Oct 15, 2026 | 42,233,791 | -8.3% | 4,052,775 | 10.4 |
| Sep 30, 2026 | 46,079,911 | -11.0% | 4,373,581 | 10.5 |
| Sep 15, 2026 | 51,749,756 | +4.1% | 3,365,261 | 15.4 |
| Aug 31, 2026 | 49,714,773 | -2.5% | 4,200,073 | 11.8 |
| Aug 14, 2026 | 50,972,774 | -1.9% | 4,617,466 | 11.0 |
| Jul 31, 2026 | 51,938,259 | +7.7% | 4,534,307 | 11.4 |
| Jul 15, 2026 | 48,242,342 | +1.3% | 3,852,155 | 12.5 |
| Jun 30, 2026 | 47,634,141 | +13.6% | 5,904,250 | 8.1 |
| Jun 15, 2026 | 41,927,428 | +7.2% | 2,878,363 | 14.6 |
| May 29, 2026 | 39,121,187 | +3.9% | 2,704,753 | 14.5 |
| May 15, 2026 | 37,637,361 | +6.2% | 3,416,478 | 11.0 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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